Stec
abbr. Shiga toxin-producing Escherichia coli 产志贺毒素的大肠埃希杆菌; Storage and Transport of Expiosive Committee 炸药储藏及运输委员会; strains of Escherichia coli 大肠杆菌菌株
🗣️ 情景例句
Sometimes.
有时候。
What is done cannot be undone.
木已成舟。
Don't crowd round him, said the gate keeper.
“不要围着他，”学校门卫说。